Home / 55,125.70-76,067.13-31,247.62

Finding the Fourth Proportional to 55,125.70, 76,067.13 and 31,247.62

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Solution

The fourth proportional to 55,125.70, 76,067.13 and 31,247.62 is: 43,118.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,125.70 : 76,067.13 = 31,247.62 : x
  2. Step 2: Convert to fraction form
    55,125.70/76,067.13 = 31,247.62/x
  3. Step 3: Cross multiply
    55,125.70x = 76,067.13 × 31,247.62
  4. Step 4: Simplify right side
    55,125.70x = 2,376,916,772.73
  5. Step 5: Solve for x
    x = 2,376,916,772.73/55,125.70
  6. Step 6: Final answer
    x = 43,118.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.